Home / 384,139,455.84-529,891,178.52-231,269,555.82

Finding the Fourth Proportional to 384,139,455.84, 529,891,178.52 and 231,269,555.82

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Solution

The fourth proportional to 384,139,455.84, 529,891,178.52 and 231,269,555.82 is: 319,018,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,139,455.84 : 529,891,178.52 = 231,269,555.82 : x
  2. Step 2: Convert to fraction form
    384,139,455.84/529,891,178.52 = 231,269,555.82/x
  3. Step 3: Cross multiply
    384,139,455.84x = 529,891,178.52 × 231,269,555.82
  4. Step 4: Simplify right side
    384,139,455.84x = 122,547,697,489,256,720
  5. Step 5: Solve for x
    x = 122,547,697,489,256,720/384,139,455.84
  6. Step 6: Final answer
    x = 319,018,772.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.